This folder contains the code to produce appendix C.

Sourcing make_appendix_c_plot.R creates heatmap.pdf which contains
the panels of Figure A3.

Run using R version 4.1.2 on a MBP (x86_64-apple-darwin17.0)
and the following R packages (available on CRAN except where noted):
     * haven (version 2.4.1)
     * tidyverse (version 1.3.1)


